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NCCR Robotics is a consortium of robotics laboratories across Switzerland, working on robots for improving the quality of life and to strengthen robotics in Switzerland and worldwide. Newsletter

Upcoming Events

Date/Time Event Description
1 Sep – 3 Sep 2017
All Day
EPFL Drone Days
EPFL, Lausanne Suisse
From 1 to 3 September 2017, EPFL's Ecublens campus will host the first-ever EPFL Drone Days. This event, which will include the Swiss drone racing championship, a robotics showcase and...

Looking for publications? You might want to consider searching on the EPFL Infoscience site which provides advanced publication search capabilities.

Anticipation- and Error-related EEG Signals during Realistic Human-Machine interaction: A Study on Visual and Tactile Feedback

  • Authors: Chavarriaga, Ricardo; Perrin, Xavier; Siegwart, Roland; Millán, José del R.

The exploitation of EEG signatures of cognitive processes can provide valuable information to improve interaction with brain actuated devices. In this work we study these correlates in a realistic situation simulated in a virtual reality environment. We focus on cortical potentials linked to the anticipation of future events (i.e. the contingent negative variation, CNV) and error-related potentials elicited by both visual and tactile feedback. Experiments with 6 subjects show brain activity consistent with previous studies using simpler stimuli, both at the level of ERPs and single trial classification. Moreover, we observe comparable signals irrespective of whether the subject was required to perform motor actions. Altogether, these results support the possibility of using these signals for practical brain machine interaction.

Posted on: June 1, 2012

Performance analysis of jump-gliding locomotion for miniature robotics

  • Authors: Vidyasagar, A.; Zufferey, Jean-Christophe; Floreano, Dario; Kovac, Mirko

Recent work suggests that jumping locomotion in combination with a gliding phase can be used as an effective mobility principle in robotics. Compared to pure jumping without a gliding phase, the potential benefits of hybrid jump-gliding locomotion includes the ability to extend the distance travelled and reduce the potentially damaging impact forces upon landing. This publication evaluates the performance of jump-gliding locomotion and provides models for the analysis of the relevant dynamics of flight. It also defines a jump-gliding envelope that encompasses the range that can be achieved with jump-gliding robots and that can be used to evaluate the performance and improvement potential of jump-gliding robots. We present first a planar dynamic model and then a simplified closed form model, which allow for quantification of the distance travelled and the impact energy on landing. In order to validate the prediction of these models, we validate the model with experiments using a novel jump-gliding robot, named the ‘EPFL jump-glider’. It has a mass of 16.5 g and is able to perform jumps from elevated positions, perform steered gliding flight, land safely and traverse on the ground by repetitive jumping. The experiments indicate that the developed jump-gliding model fits very well with the measured flight data using the EPFL jump-glider, confirming the benefits of jump-gliding locomotion to mobile robotics. The jump-glide envelope considerations indicate that the EPFL jump-glider, when traversing from a 2 m height, reaches 74.3% of optimal jump-gliding distance compared to pure jumping without a gliding phase which only reaches 33.4% of the optimal jump-gliding distance. Methods of further improving flight performance based on the models and inspiration from biological systems are presented providing mechanical design pathways to future jump-gliding robot designs.

Posted on: April 13, 2015

Seamless Multi-Robot Programming for the People: ASEBA and the Wireless Thymio II Robot

  • Authors: Rétornaz, Philippe; Riedo, Fanny; Magnenat, Stéphane; Vaussard, Florian Christopher; Bonani, Michael; Mondada, Francesco


Posted on: September 9, 2013

Upgrade Your Robot Competition, Make a Festival!

  • Authors: Riedo, Fanny; Freire, Mariza; Fink, Julia; Ruiz, Guillaume; Fassa, Farinaz; Mondada, Francesco


Posted on: September 12, 2013